Fixed bug in PS-LOOP: test conditions in FOR..OF clauses were being dropped.
Fixed bug in PS-LOOP: test conditions in FOR..OF clauses were being
dropped.

Unfortunately, CL-JS doesn't compile for..in loops, so a unit test
can't currently be added for this. (I reported the issue to the CL-JS
project on Github.)

fredericksilva/Parenscript,vsedach/Parenscript